Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Includes upgraded RS4 motor mounts, ECS polyurethane snub mount, and hardware
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with electronically monitored engine mounts.
This product was last offered at the strikethrough price on
05-02-2026
Serious engine oil cooling for the most demanding engines
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
Contains all of the hardware you need to install a new catalytic converter on your A4
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.
Choose the stage that meets your power goals!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Average gain of 40 HP & 75 LB-FT torque on 93 octane program!
Call In Or Chat For Best Price!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location
Required software to properly upgrade to a K04 turbocharger
Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade can only be performed with the car present at our facility.
Unleash the hidden power in your vehicle to get instant feedback & response!
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
This product was last offered at the strikethrough price on
05-12-2026
Average gain of 52 horsepower and 76 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade & High Pressure fuel pump upgrade
Average gain of 22 horsepower and 20 lb-ft of torque
Unleash up to 303HP/317TQ by transforming your Audi B7 A4 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
2X Entries Into Our F80 M3 Sweepstakes
Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes
Fits both manual and automatic transmission models
The Gen-V WG50 Pro-Gate50 external wastegate is a cost effective, high performing 50mm external wastegate.
*General use wastegate for custom, externally gated big turbo applications - Not a direct fit wastegate*
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-06-2026